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Sebastian Durandeu, C# Developer in London, United Kingdom
Sebastian Durandeu

C# Developer in London, United Kingdom

Member since November 25, 2015
Sebastian is a full-stack software engineer with a primary focus on building web applications and services for the cloud using Microsoft technologies. For 10+ years he has helped build custom software solutions for multiple Fortune 500 companies (Microsoft, GSK, and others). He believes his strengths are his attention to detail and best practices, together with very strong communication and reporting skills.
Sebastian is now available for hire


  • Southworks
    Microsoft Web Stack, Azure, Windows Phone


  • Writing, 8 years
  • C#, 8 years
  • Azure, 6 years
  • JavaScript, 5 years
  • HTTP, 5 years
  • ASP.NET MVC, 5 years
  • Node.js, 3 years
  • TeamCity, 3 years
London, United Kingdom



Preferred Environment

Visual Studio, GitHub

The most amazing...

...project I've contributed to was building demos to be presented live in a huge Microsoft developers' event for several thousand attendees.


  • Technical Manager

    2007 - 2016
    • Led different projects, across a 2.5-year timespan, developing and maintaining one of Microsoft's core marketing and documentation sites (more details on items below). Focused not only on development activities but also on code review, customer communication, and work organization/prioritization.
    • Contributed to the development and maintenance of a documentation publishing workflow based on Azure WebJobs. Both the workflow front-end and back-end run in the cloud.
    • Helped oversee the creation and maintenance of the continuous deployment infrastructure using TeamCity and Azure Websites. The site has strong scalability and availability requirements and runs end-to-end in Microsoft Azure cloud service.
    • Helped lead the development of the back-end web APIs for the serving data for one Microsoft’s service pricing calculators.
    • Spent 3 months on an on-site project at Microsoft Campus in Redmond (USA), working with the engineering team that ingests new partners to the Azure Marketplace. Developed continuous testing infrastructure based on Selenium and the TeamCity API for validating partners API implementations.
    • Worked on the front-end for a new videos platform for SharePoint Online Services (now Office 365). The front-end included both a SharePoint app and a Windows 8 app and interacted with the SharePoint APIs.
    • Led different projects for the Developer and Platform Evangelism (DPE) Division from Microsoft to create content for evangelizing Microsoft's latest development technologies and frameworks, mostly around the Windows Azure Platform and the Microsoft Web Stack. Some of these projects involved writing technical guidance that shows how to implement common scenarios and get to working solutions (e.g., Microsoft Azure Training Kit). Others involved creating reusable content, like APIs and toolkits, to help the developer community adopt new technologies and frameworks (e.g., WebMatrix Helpers or OData API for Visual Studio TFS).
    • Worked on-site at Microsoft Campus in Redmond (USA), helping to create and deliver live keynote demos for the //BUILD/ 2012 and 2013 conferences.
    • Contributed to the Delivery team (aka PMO), in charge of resource allocation, project forecasting, and monitoring. Assisted account managers with developing new opportunities. Assisted with recruiting and performance reviews of development teams.
    • Led projects for GlaxoSmithKline (GSK), helping in the development of their company-wide identity platform, which was based on claims-based identity and Microsoft ADFS (Active Directory Federation Services).
    Technologies: Microsoft Web Stack, Azure, Windows Phone


  • Opiniones Nube: TiendaNube Rating Store App (Development)

    TiendaNube provides a complete eCommerce platform for small retailers (similar to Shopify or Magento). The app, available through the platform app store at a monthly cost, allows you to add a rating and comments widget to your store website. It's developed in Node.js, hosted in Azure Websites, and available both in Spanish and Portuguese.

  • Vinti (Development)

    Vinti is a peer-to-peer payment app, similar to Venmo, that lets you make and share payments with friends. I've collaborated in the development of a mobile app built with Ionic.

  • Azure Storage Essentials (Other amazing things)

    Review of a book about Microsoft's cloud storage solution for Packt Publishing.

  • Personal Blog (Other amazing things)

    Personal blog in Spanish, including software development and other stuff.

  • Southworks Blog (Other amazing things)

    The software development posts I've written for Southworks.


  • Languages

    C#, JavaScript, SQL
  • Frameworks

    .NET, ASP.NET MVC, ASP.NET Web API, Entity, Windows PowerShell, Bootstrap 3, Selenium, AngularJS, Knockout.js, Ionic
  • Tools

    Visual Studio, TeamCity, Visual Studio Online, ADFS, Grunt, NuGet
  • Paradigms

    Agile Software Development, Continuous Deployment, REST, Scrum, Unit Testing, Asynchronous Programming, Search Engine Optimization (SEO)
  • Platforms

    Azure, Windows Phone, SharePoint
  • Storage

    Azure Websites, Azure Tables, Azure Blobs, Azure Queues, Azure Active Directory, MongoDB
  • Other

    Writing, HTTP, IIS, OData
  • Libraries/APIs

    Node.js, GitHub API, Moq


  • Engineering (with Honors: +8/10 GPA) degree in Software Engineering
    2004 - 2011
    University of Buenos Aires - Buenos Aires
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